Smoke-consuming apparatus for furnaces.



PATBNTED MAR. 6, 1906.

J. P. MOMAHUN- NG APPARATUS FOR FURNACES.

SMOKE GONSUMI APPLIOATION FILED APR 10, 1905.

BEETS-SHEET l.

31 l uenfoz Witt luau PATENTED MAR. 6, 1906.

- J. P. McMAHON. SMOKE corqsnmme APPARA US FOR FURNACES.

APPLICATION FILED APR 10. 1905.

4 smiws-sazm 2.

31 mentor- Ju -McMahon ag d N "wammu & (MW

' PATENTED MAR. 6, 1906.

J. P. McMAHON. SMOKE OONSUMING APPARATUS FOR PURNA APPLICATION FILED APR 10 1905.

4 SHEETS-SHEET 3.

51 mentor (o J. Elke/Malian PATENTED MAR. 6, 1906.

' JLP. McMAHON. SMOKE GONSUMING APPARATUS FOR FURNACES.

APPLICATION FILED APR 10, 1905.

4 SHEETS-SHEET 4v auuanfoz will not onl UNITEn STATES Perm? onmcn.

JAMES P. MOMAHON, OF RENOVO, PENNSYLVANIA, ASSIGNOR OF ONE-THIRD TO J. W.-. RUSSELL AN ONE-THIRD TO 0. H. POTTS,

OF RENOVO, PENNSYLVANIA.

I Specification of Letters Patent.

Patented March 6, 1906.

Application filed April 10.1905. Serial No. 254,848.

Pennsylvania, have invented a new and use-' ful Improvement in Smoke-Consuming Apparatus for Furnaces, of which the following 1s a specification.

This invention relates to an apparatus forconsuming the smoke and gases in furnaces using bituminous or anthracite coal,and is particularly applicable to locomotive-furnaces.

The prirnar object 'of the invention is to provide a smo e-consuming apparatus which consume the smoke and other obj ectionab e products ofcombustion,but will also appreciably multiply the heat units and operate to minimize the consumption of fuel.

A still further object of the invention is to provide an apparatus of the class specified which may be easily applied and having a thoroughly reliable and eflicient operation.

The invention consists in the construction and arrangement of parts hereinafter set forth in preferred form.

In the drawings, Figure 1 is a view, principally in diagram, of the invention shown applied to a locomotive fire-box. Fig. 2 is a sectional elevation of the apparatus. Fig. 3 is a transverse sectional view of a locomotive fire-box, showing the general arnangement of the invention. Fig. -is a sectional view of one of the burners or nozzles. Fig. 5 is an elevation of an a paratus for automatically controlling the va ves.

One of the prime factorsto which the success of this invention is in'a general measure due is the interposition between the products of combustion and the smoke-box of a wall or diaphragm constituted of a highly-combustib e hydrocarbon mixture which entirely cutsoff, turns back,.and wholly consumes said products in its own combustion. This is accomplished by supplying a ortion at least of the combustible mixture t rough the flues and projecting or throwing the hydrocarbon mixture into the fire-box over the fire-bed. v

The numeral 1 designates the fire-box; 2, the lines; 3, the flue nozzles orhburners, and 4 supplemental nozzles entering through the si e sheets. oil tank or reservoir 5 is connected by pi es or conduits 6. with the nozzles 3 and 4, an similar pipes Z aremounted in 8 of the locomotive.

with relation to theconduits or pipes 6 and serve to supply steam to the nozzles from some convenient sourcesay the bridge-cast.-

Of course, suitable va ves may be provided for controlling the sup ly of steam and oil, and for the purpose of 1 lustration 9 represents such valves for use in the engine-cab, and 10 represents valves for operation outside or when the lOCCjll'lQllllVS is standing. The pipes 6 and 7 pass; through the fines 2 and connect with the nozzles These pipes 6 and 7 may also be equipped with nozzles 4, which pass through sleeves 11 in the side sheets.

Fig. 4 illustrates an enlarged view of one of the nozzles, and particularly referring thereto 12 designates a casting having a chamber 13 tapped for the reception of the pipes 6 and? An external cone-shaped holow member or part 14 is removably mounted in the casting 12, as by screw-threads, and constitutes a continuation'of the steam pipe or conduit 7. The member 14 is provided with an orificed head 15, and subjacent this head are lateral ducts or passages 16, whereby oil from the chamber 13 may be drawn into the member 14. A member 17 cooperates with the cone-shaped hollow member 14 and has a threaded cap internally cone-shaped to-form a discharge passage or outlet 18 for the oil. Thus the oil and steam in a gaseous state are discharged or projected in the form, of'a hollow column or cone.

Figs. 2 and 5 illustrate an example of means for automatically controlling the supply of combustible mixture to the fire-box and comprises a tripping arm or lever 19, pivoted, as at 26, and hearing at one end against the firedoor 20. The other end of the arm or lever 19 is pivotally connected to a rod or pitman 21, having an arm 22 to control the oil-valve and a similar arm 23 to control the steam-valve. It will be apparent that in response to the opening of the firetration of such mechanism I have shown amember or keeper 24, which returns the tn?- ing-lever in response; to the closing of e e-door. A frictional roller 25 is preferably interposed between the tripping-arm 19 and the fire-door.

From the foregoing description it will be apparent that upon supplying steam and oil to the nozzles 3 and 4 or to either set the same will be projected into the fire-box at the front end thereof and in the path of the products of combustion. The mixture is projected in the form of hollow cones or 001- umns which tend to merge and burning with an intense heat in the path of the products of combustion form an efficient barrier to the escape of such products. It has been found in practice that a brief period of operation'of the apparatus is sufficient to practically instantaneously run the Fahrenheit up to a considerable extent and positively insure the consumption of smoke and other products. The nozzles are all located at the front extremity of the fire-box or furnace closeto the points of communication of the flues with said box. There is no intercepting structure between the points'of in'ection of the combined steam and oil by t e nozzles and the flue-openings, and hence the full consumption of the unconsumed products of combustion reachin the front of the fire-box must ensue, with t e beneficial result that no smoke asses into the fines no matter what kind of uel is fed to the fire-box.

Having thus described the invention, what I claim as new is 1. In combination with a locomotive firebox adapted to burn solid fuel and flues, of means located close to the communicating openings of the flues with the fire-box for establishmg a combustible barrier at the front of the fire-box which wholly consumes the products of combustion in its own combustion, the said means being located in such close proximity to the flue-openings as to obstruct' the escape of any of the products of combustion between thc'said means and the communicating flue-openings.

2. In combination with a locomotive firebox adapted to burn solid fuel and flues, of

means located close'to the communicating openings of the flues with the fire-box for directing a hydrocarbon mixtureacross the path of the products of combustion, the said means being located in such close proximity to the flue-openings as to obstruct the escape of any of the products of combustion between the said means and the communicating flueopenings. I

It. In combination with a locomotive 'fll'O" box and llues, of means located directly at the point of communication of the fines with the lire-box for directing a hydrocarbon mixture across the path of the products of combustion, the hydrocarbon mixture being gradually heated before entering the fire-box.

4. In combination with a locomotive firebox adapted to burn solid fuel, of fines, steam and oil supply pipes extendingthrough the flues, and nozzles common to said pipes and disposed close to the points of communication of the fines with the fire-box to discharge a mixture of oil and steam in. the path of the products of combustion, a ortion of the nozzles being projected from t e flues.

5. In combination with a locomotive firebox adapted to burn solid fuel, of fiues,steam and oil supply pipes extending through the flues, the fines having unobstructed communication with the fire-box, nozzles common to said pipes and arranged to dischar e a mixture of oil and steam in the path 0 the products of combustion, and auxiliary means penetrating the side sheets for supplying a ike mixture at an angle to the mixture dischar ed by the nozzles, the said nozzles and auxi iary means being located at the front of the fire-box.

6. In combination with a locomotive firebox adapted to burn solid fuel and flues, of steam and oil sup ly pipes located in front of the fire-box and means operating to force the steam and oil into the fire-box in the form of hollow cones or columns, close to the communicatingo enings of the fines with the front of the fireox.

7. In combination with a locomotive firebox adapted to burn solid fuel and flues, of steam and oil supply pipes having communication with the fire-box and provided with injecting-terminals which 'prolg'ieet the mix ture of steam and oil into t e re-box in the form of hollow cones or columns, close to the communicating openings of the fines with the front of the fire-box.

8. In combination with a locomotive firebox adapted to burn solid fuel and flues, steam and oil supply pipes extending through the flues, nozzles common to said pipes arranged to discharge a mixture of oil and steam in the path of products of combustion at the front of the fire-box close to the flueopenings, said nozzles being located at the front of the fire-box, and controlling means for the said pipes.

9. In combination with a locomotive the box adapted to burn solid fuel and fines, steam and oil supply pipes extending through the flues, nozzles common to said pipes and arranged to discharge a heated mixture of oil and steam in the path of the products of combustion, said. nozzles being located adj acent to the point of.communication of the flues with thefire-box, and means responding to theopening and closing of the door of the fire-box for controlling the steam and oil supply.

n testimony whereof I have hereunto signed my name in the presence of two subscribing witncsses. JAMES P. iiioMAllON. Witnesses:

'l. E. NtrrLoN, lino M. RYAN provided with injecting 

